Check out healthy fat food for kids po. High fat food doesn't necessarily mean unhealthy, they just need to be the right kind 😉 Here's a list po. Our toddler eats most of these food, is at a healthy weight although he doesn't look like it kasi he's lean. Just be careful in choosing kasi there are some brands (yogurt, for example) na high in sugar din, which is a no no.
https://www.yummytoddlerfood.com/advice/foods-for-toddlers-to-gain-weight/
Jha Salvamante Javier